IBM-compatible personal computers with Intel 80486 (i486) CPUs
Early Intel Pentium (P5/i586) machines
AMD 486-based systems (e.g., Am486, Elan SC400/SC410/SC450)
Cyrix 5x86 and 6x86 computers
VIA/Centaur C3/Cyrix III and WinChip PCs
Early embedded boards with DEC StrongARM (SA-110, SA-1100) CPUs
Texas Instruments OMAP2 and OMAP3-based dev boards
Freescale/NXP i.MX21/i.MX31 (pre-i.MX6) platforms
Old Raspberry Pi models running 32-bit ARM (e.g., original Pi A/B models)
Nokia 770 internet tablet and similar ARMv4/ARMv6 devices
Rare industrial or embedded systems using ARC, MicroBlaze, OpenRISC, Nios II, and Xtensa cores
Vintage computers requiring software FPU emulation or lacking a TSC/CX8 instruction